Global Patent Index - EP 2616640 B1

EP 2616640 B1 20200708 - ROTARY PISTON PUMP AND ROTARY PISTON

Title (en)

ROTARY PISTON PUMP AND ROTARY PISTON

Title (de)

DREHKOLBENPUMPE UND DREHKOLBEN

Title (fr)

POMPE À PISTONS ROTATIFS ET PISTONS ROTATIFS

Publication

EP 2616640 B1 20200708 (DE)

Application

EP 11757838 A 20110913

Priority

  • DE 202010012494 U 20100913
  • EP 2011065798 W 20110913

Abstract (en)

[origin: WO2012034985A2] The invention relates to a rotary piston pump (10) for conveying fluids, in particular liquids laden with solid matter, having a housing (45) and having at least one pair of intermeshing rotary pistons (1) arranged within the housing (45), wherein a rotary piston (1) has in each case at least one recess (13, 43) formed on the circumferential surface (5) thereof and/or at least one recess (41) formed on an end surface (7, 9). The invention relates in particular to a rotary piston pump in which at least one driver (15, 17, 39, 51) is arranged in the at least one recess (13, 41, 43) and is designed for collecting solid matter. The invention also relates to a rotary piston for a rotary piston pump (10) for conveying fluids, in particular liquids laden with solid matter, having at least one recess (13, 43) formed on the circumferential surface (5) thereof and/or at least one recess (41) formed on an end surface (7, 9).

IPC 8 full level

F04C 13/00 (2006.01); F01C 19/00 (2006.01); F04C 2/08 (2006.01); F04C 2/12 (2006.01)

CPC (source: EP US)

F01C 19/005 (2013.01 - EP US); F04C 2/00 (2013.01 - US); F04C 2/084 (2013.01 - EP US); F04C 2/126 (2013.01 - EP US); F04C 13/001 (2013.01 - EP US); F04C 13/005 (2013.01 - EP US); F04C 2210/24 (2013.01 - EP US); F04C 2240/20 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

DE 202010012494 U1 20111215; CN 103221638 A 20130724; EP 2616640 A2 20130724; EP 2616640 B1 20200708; ES 2812504 T3 20210317; US 2013209300 A1 20130815; WO 2012034985 A2 20120322; WO 2012034985 A3 20130425

DOCDB simple family (application)

DE 202010012494 U 20100913; CN 201180043890 A 20110913; EP 11757838 A 20110913; EP 2011065798 W 20110913; ES 11757838 T 20110913; US 201113822640 A 20110913